Opta Group LP is a global industrial manufacturer formed in 2019 by the merger of Opta Minerals Inc. and SKW Metallurgie GmbH. It develops and produces custom-engineered materials and equipment for metallurgical, construction, and specialty chemical applications, with more than 1,000 employees and 35 locations across 11 countries. Its portfolio includes metallurgical treatment products, calcium carbide-based chemicals, and recycled glass materials.
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Opta Group LPFormed in 2019 through the merger of Opta Minerals and SKW Metallurgie, Opta Group LP develops custom-engineered additives, specialized equipment and technical solutions for modern manufacturing. Its Carbide Industries business produces calcium carbide, whose reaction with water generates acetylene and calcium hydroxide for industrial use. With more than 900 employees and operations across four continents, the group combines global reach with on-site technical expertise.NEW KENSINGTON, PA
OptoTech Optikmaschinen GmbHFounded by Roland Mandler in 1985, OptoTech Optikmaschinen GmbH builds optical machinery and process technology, supplying complete production lines for precision optics and ophthalmic manufacturing. Based in Wettenberg and part of the Schunk Group, the company has grown to 11 locations, 577 employees and 50 active patents, with a global service network supporting customers from commissioning through repairs and training.PALM, PA
LIBERTY Steel GroupLIBERTY Steel Group is an international, fully integrated steel and mining business that makes steel from raw and recycled materials and produces engineered steel products. Established as a trading company in 1992, it entered the steel industrial sector in 2013 and operates across multiple continents; the company reports about 10,000 employees and contractors at more than 30 locations on its About page. Its production spans flat and long steel, with downstream products serving strategic industrial sectors worldwide.IRVING, TX
McDanel Advanced MaterialsSince 1919, McDanel Advanced Materials has developed ceramic technologies and now manufactures custom advanced ceramic, glass, and sapphire components for demanding industrial applications. Rooted in Pittsburgh’s manufacturing tradition, the company works engineer-to-engineer with customers and expanded its capabilities in 2024 through the acquisition of Rayotek Scientific, creating an optics division. Its distinctive WearGuard® ceramic bearing system is designed for continuous steel-sheet galvanizing operations, while its glass division produces more than 30 million precision-cut components each week.327110BEAVER FALLS, PA